Package org.elasticsearch.search.suggest.phrase

Class LinearInterpolation

java.lang.Object

org.elasticsearch.search.suggest.phrase.SmoothingModel

org.elasticsearch.search.suggest.phrase.LinearInterpolation

All Implemented Interfaces:

NamedWriteable, Writeable, org.elasticsearch.common.xcontent.ToXContent, org.elasticsearch.common.xcontent.ToXContentFragment

public final class LinearInterpolation
extends SmoothingModel

Linear interpolation smoothing model.

See N-Gram Smoothing for details.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent

org.elasticsearch.common.xcontent.ToXContent.DelegatingMapParams, org.elasticsearch.common.xcontent.ToXContent.MapParams, org.elasticsearch.common.xcontent.ToXContent.Params

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields

Modifier and Type	Field	Description
static String	NAME

Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor	Description
LinearInterpolation(double trigramLambda, double bigramLambda, double unigramLambda)	Creates a linear interpolation smoothing model.
LinearInterpolation(StreamInput in)	Read from a stream.

Method Summary

Modifier and Type	Method	Description
WordScorer.WordScorerFactory	buildWordScorerFactory()
protected boolean	doEquals(SmoothingModel other)	subtype specific implementation of "equals".
protected int	doHashCode()
static LinearInterpolation	fromXContent(org.elasticsearch.common.xcontent.XContentParser parser)
double	getBigramLambda()
double	getTrigramLambda()
double	getUnigramLambda()
String	getWriteableName()	Returns the name of the writeable object
protected org.elasticsearch.common.xcontent.XContentBuilder	innerToXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params)
void	writeTo(StreamOutput out)	Write this into the StreamOutput.

Methods inherited from class org.elasticsearch.search.suggest.phrase.SmoothingModel

equals, hashCode, toXContent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentFragment

isFragment

Field Details

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Details

LinearInterpolation

public LinearInterpolation(double trigramLambda,
 double bigramLambda,
 double unigramLambda)

Creates a linear interpolation smoothing model. Note: the lambdas must sum up to one.

Parameters:

trigramLambda - the trigram lambda

bigramLambda - the bigram lambda

unigramLambda - the unigram lambda

LinearInterpolation

public LinearInterpolation(StreamInput in)
                    throws IOException

Read from a stream.

Throws:

IOException

Method Details

writeTo

public void writeTo(StreamOutput out)
             throws IOException

Description copied from interface: Writeable

Write this into the StreamOutput.

Throws:

IOException

getTrigramLambda

public double getTrigramLambda()

getBigramLambda

public double getBigramLambda()

getUnigramLambda

public double getUnigramLambda()

innerToXContent

protected org.elasticsearch.common.xcontent.XContentBuilder innerToXContent(org.elasticsearch.common.xcontent.XContentBuilder builder,
 org.elasticsearch.common.xcontent.ToXContent.Params params)
                                                                     throws IOException

Specified by:

innerToXContent in class SmoothingModel

Throws:

IOException

getWriteableName

public String getWriteableName()

Description copied from interface: NamedWriteable

Returns the name of the writeable object

doEquals

protected boolean doEquals(SmoothingModel other)

Description copied from class: SmoothingModel

subtype specific implementation of "equals".

Specified by:

doEquals in class SmoothingModel

doHashCode

protected int doHashCode()

Specified by:

doHashCode in class SmoothingModel

fromXContent

public static LinearInterpolation fromXContent(org.elasticsearch.common.xcontent.XContentParser parser)
                                        throws IOException

Throws:

IOException

buildWordScorerFactory

public WordScorer.WordScorerFactory buildWordScorerFactory()

Specified by:

buildWordScorerFactory in class SmoothingModel